cucumber/lib/cli/argv_parser.js

The official JavaScript implementation of Cucumber.

'use strict';Object.defineProperty(exports, "__esModule", { value: true });var _classCallCheck2 = require('babel-runtime/helpers/classCallCheck');var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);var _createClass2 = require('babel-runtime/helpers/createClass');var _createClass3 = _interopRequireDefault(_createClass2);var _lodash = require('lodash');var _lodash2 = _interopRequireDefault(_lodash);
var _commander = require('commander');
var _package = require('../../package.json');
var _path = require('path');var _path2 = _interopRequireDefault(_path);function _interopRequireDefault(obj) {return obj && obj.__esModule ? obj : { default: obj };}var

ArgvParser = function () {function ArgvParser() {(0, _classCallCheck3.default)(this, ArgvParser);}(0, _createClass3.default)(ArgvParser, null, [{ key: 'collect', value: function collect(
    val, memo) {
      memo.push(val);
      return memo;
    } }, { key: 'mergeJson', value: function mergeJson(

    option) {
      return function (str, memo) {
        var val = void 0;
        try {
          val = JSON.parse(str);
        } catch (error) {
          throw new Error(option + ' passed invalid JSON: ' + error.message + ': ' + str);
        }
        if (!_lodash2.default.isPlainObject(val)) {
          throw new Error(option + ' must be passed JSON of an object: ' + str);
        }
        return _lodash2.default.merge(memo, val);
      };
    } }, { key: 'parse', value: function parse(

    argv) {
      var program = new _commander.Command(_path2.default.basename(argv[1]));

      program.
      usage('[options] [<DIR|FILE[:LINE]>...]').
      version(_package.version, '-v, --version').
      option('-b, --backtrace', 'show full backtrace for errors').
      option('--compiler <EXTENSION:MODULE>', 'require files with the given EXTENSION after requiring MODULE (repeatable)', ArgvParser.collect, []).
      option('-d, --dry-run', 'invoke formatters without executing steps').
      option('--fail-fast', 'abort the run on first failure').
      option('-f, --format <TYPE[:PATH]>', 'specify the output format, optionally supply PATH to redirect formatter output (repeatable)', ArgvParser.collect, []).
      option('--format-options <JSON>', 'provide options for formatters (repeatable)', ArgvParser.mergeJson('--format-options'), {}).
      option('--name <REGEXP>', 'only execute the scenarios with name matching the expression (repeatable)', ArgvParser.collect, []).
      option('-p, --profile <NAME>', 'specify the profile to use (repeatable)', ArgvParser.collect, []).
      option('-r, --require <FILE|DIR>', 'require files before executing features (repeatable)', ArgvParser.collect, []).
      option('-S, --strict', 'fail if there are any undefined or pending steps').
      option('-t, --tags <EXPRESSION>', 'only execute the features or scenarios with tags matching the expression', '').
      option('--world-parameters <JSON>', 'provide parameters that will be passed to the world constructor (repeatable)', ArgvParser.mergeJson('--world-parameters'), {});

      program.on('--help', function () {
        /* eslint-disable no-console */
        console.log('  For more details please visit https://github.com/cucumber/cucumber-js#cli\n');
        /* eslint-enable no-console */
      });

      program.parse(argv);

      return {
        options: program.opts(),
        args: program.args };

    } }]);return ArgvParser;}();exports.default = ArgvParser;